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-rw-r--r--src/external/fe25519.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/external/fe25519.c b/src/external/fe25519.c
index db31f651..2b0b673e 100644
--- a/src/external/fe25519.c
+++ b/src/external/fe25519.c
@@ -4,6 +4,8 @@
* Copied from supercop-20130419/crypto_sign/ed25519/ref/fe25519.c
*/
+#include "config.h"
+
#define WINDOWSIZE 1 /* Should be 1,2, or 4 */
#define WINDOWMASK ((1<<WINDOWSIZE)-1)